APA (7th ed.) Citation

Nichols, M. I. (1979). Handbook of reference sources (2d ed.). Texas State Library, Library Development Division.

Chicago Style (17th ed.) Citation

Nichols, Margaret Irby. Handbook of Reference Sources. 2d ed. Austin: Texas State Library, Library Development Division, 1979.

MLA (9th ed.) Citation

Nichols, Margaret Irby. Handbook of Reference Sources. 2d ed. Texas State Library, Library Development Division, 1979.